Half the number of (n+1)X8 0..3 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.
A209786
Half the number of (n+1)X8 0..3 arrays with every 2X2 subblock having exactly one duplicate clockwise edge difference.
Terms
- a(0) =31161462a(1) =56780957220
External references
- oeis: A209786